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Summary Of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Dec. 31, 2017	Sep. 30, 2018
Summary Of Significant Accounting Policies [Abstract]
Other assets	$ 1,672	$ 2,927
Tax benefit from Tax Cuts and Jobs Act	1,359,000
Maximum normal term for resale agreements		1 month
Estimated debt in fair value	$ 53,657	$ 52,826

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Resale Agreements, Maximum term

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
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-SubTopic 10
-Section S99
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